floxif | 1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 23:01

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General

Target

1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe
Size

287KB
MD5

31bb33ea1aa94f3c66f9a45647718380
SHA1

01a454e3b45645c1571b32ade484c94d276689ee
SHA256

1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88
SHA512

df99d346a96a18352bdc828e19d53045b5aa594df617d881e5a9264f2c8e834bd5b9c5781a59ee3d22431fee127b70f3e22d14a95d7edd52c5f2abe77bcaa54c
SSDEEP

6144:Y/9afTJ1kHnuyXTZBB+R8WpMBV+UdvrEFp7hKD:Y/9abJauyXTvB+R8WiBjvrEH7w

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x000d000000012255-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000d000000012255-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
948	1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000d000000012255-1.dat	upx
behavioral1/memory/948-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/948-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe

C:\Users\Admin\AppData\Local\Temp\1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe
"C:\Users\Admin\AppData\Local\Temp\1978bf1a7aef293be02cee96f6bd72cc7c1387a97846ede3a32b5115e2186b88.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/948-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/948-5-0x0000000000F50000-0x0000000000F87000-memory.dmp

Filesize
220KB

Download
memory/948-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download